>tr|A0A088E6B5|A0A088E6B5_9CREN Riboflavin kinase OS=Metallosphaera sedula GN=ribK MSDECLIAKIVYLSLQQKEVTQQMIADELKMSQQSVSRKLKELEERNLVRRSLSKEGEII RVTENGEKLLEDCLSMMRATIISSHVLEIRGRATSGLGEGRIFLSMPYYMESFKKFLGFE PYPGTLNLVIYDRISLENRLVLDISKAINIPEHKEENRVLGAVRAFPASVNDLKPAAVVF PLRSVHPKSVIEVISPYHLRKELNIKDGDEVVIQAYA